Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Initial rate of rise of current is doubled Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled Time constant is halved Final steady current is doubled Time constant remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. High, low High, high Low, high Low, low High, low High, high Low, high Low, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low coercivity Low hysteresis loss Low retentivity High coercivity Low coercivity Low hysteresis loss Low retentivity High coercivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 47.5 42.5 41.4 44.6 47.5 42.5 41.4 44.6 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Resistance Conductivity Resistivity Conductance Resistance Conductivity Resistivity Conductance ANSWER DOWNLOAD EXAMIANS APP
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